CONTINUOUS FURNACE

摘要

Continuous furnace for the thermal conversion of a metallic precursor layer arranged on a substrate (3) in a gas flow, in particular for the conversion of a precursor layer into a CIGSS layer, with a continuous tunnel, comprising a plurality of successive segments (5, 6, 7, 8, 9), wherein the cross-section of the tunnel in a middle segment (6, 7) is smaller than in a segment (5, 8, 9) adjacent the middle segment.